[Python-Dev] Single- vs. Multi-pass iterability

[Barry A. Warsaw]

>>>>> "GvR" == Guido van Rossum <guido@python.org> writes:

    >> Would it be useful to add to the interator "interface" a method
    >> which would retrieve the original iterable object?  I've no
    >> idea what that method should be called, but it seems like it
    >> would be trivial to add since most (all?) iterators have a
    >> pointer to their underlying object anyway, don't they?

    GvR> No.  The (important!) class of generator-iterators does not
    GvR> have an underlying container object.

Yup, but in that case I think it would be fine if
it.gimme_the_underlying_iteratable_object() returned None.

It still may be useless. ;)
-Barry